Locking Hand Hole Cover with Hidden Shackle Lock - Puck Lock - Standard Size - Gray

Works with Master Lock 6271 or Equivalent Fits most hand holes up to 3 1/8"x5 5/8". (Outside Dimension) Color: Gray Powder Coated Finish Works with both rectangular, oval, and elliptical. Actual inside dimensions are 3 1/4" x 5 3/4". The recessed pocket in the back is 1/4" deep. The cover is machined from a solid block of 1/2" thick steel. The puck lock protector ring is 3" Schedule 80 structural pipe steel that is 3/16" thick. The bracket is 3/8" thick zinc-plated steel that is 1" wide and 6 7/8" long. The screw is 3/8" stainless steel.  Choose from security torx or Allen head, 2" or 3" long. Includes a neoprene rubber gasket