Self-guiding, sleeved bits fit Remington 870 and 1100 buttstocks perfectly;
can't wedge between stock bolt and wood. Use with 6" long 3/8" drive extension and T-handle listed below.
SPECS: 870 is ¾" (19.0mm) diameter x 1½"
(3.8cm) long. 1100 is 7/8" (22.2mm) diameter x 1-5/8" (4.1cm)
long.
Catalog page 408, 475, 476